Washington has assembled nearly $5 billion in financing and investment around Brazil's Serra Verde rare earth mine, aiming to build a supply chain outside Chinese control. The funding combines development-finance loans, a Department of War commitment, and a private acquisition backed by US government support.
China controls roughly 60% of the world's rare earth mining and an even larger share of processing. That dominance has worried Washington for years, but nearly $5 billion now flowing toward a single mine in Brazil's Goiás state turns the worry into a strategy.
The money centers on the Pela Ema mine, operated by Serra Verde, which sits on one of the few significant rare earth deposits outside Chinese jurisdiction. The scale of US backing assembled around it has no precedent in critical minerals finance.
How the $5 billion comes together
The financing arrives from several directions at once. The US International Development Finance Corporation approved backing for Serra Verde that started at $465 million and was later raised to $565 million, covering expansions and ongoing operations.
In August 2026, the US Department of War pledged $750 million as the first tranche of a larger $1.55 billion financing package for the project. The Defense Logistics Agency is separately receiving $300 million of that commitment to facilitate access to mixed rare-earth carbonates, the raw material form of these elements before they are separated into individual oxides.
On top of government financing, USA Rare Earth announced a $2.8 billion acquisition of Serra Verde in April 2026. That deal carries up to $1.6 billion in potential US government support, making Washington a financial partner in the takeover. Separately, Aclara Resources secured a $5 million DFC commitment for its Carina project in Brazil, a smaller signal that US interest in Brazilian rare earth sourcing extends beyond Serra Verde alone.
Why processing matters more than mining
Rare earth elements are a group of 17 metals, including neodymium, dysprosium, and terbium. They go into the permanent magnets that power electric vehicle motors and wind turbines, and into the guidance systems of precision weapons.
But China doesn't just mine rare earths — it processes them. Even ore extracted outside China often ends up refined inside China, which gives Beijing leverage over the supply chain even when the mining itself happens elsewhere. Serra Verde is targeting 6,400 to 6,500 tonnes of rare earth oxides annually by 2027.
A pressure point both sides recognize
In 2023, China introduced export controls on gallium and germanium, two materials used in semiconductors and defense electronics. Rare earths are the next logical pressure point, and both governments know it.
Brazil holds the second-largest rare earth reserves globally after China, and the Pela Ema mine marked the country's first large-scale commercial rare earth production facility when it began operations in early 2024. Before redirecting contracts away from China, the plant initially exported some of its output to Chinese processors.
The Department of War's involvement adds a dimension pure development finance wouldn't carry: the defense procurement commitment flowing to the Defense Logistics Agency guarantees demand for Serra Verde's output before the mine reaches full production.
Source: Crypto Briefing
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